A54SX72A-1CQ208B - 108K-Gate Antifuse FPGA 208-CQFP | Microchip
N.º da peça: A54SX72A-1CQ208B ✓ Ativo| Qtd. | Preço unitário | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
A54SX72A-1CQ208B Visão geral
An antifuse FPGA is a one-time-programmable (OTP) programmable logic device in which permanent low-resistance interconnects are formed at programming. Compared with SRAM-based FPGAs, antifuse devices power up instantly with no configuration PROM, offer inherent resistance to radiation-induced configuration upset, and provide strong design security because the programmed netlist cannot be read back. Within the programmable logic hierarchy, the SX-A family sits among high-speed, low-power OTP FPGAs for aerospace, defense, and industrial systems.
Key features include a segmented routing architecture with four dedicated global/quadrant clock networks (CLKA, CLKB, and QCLK circuits), switching performance up to 217 MHz for the SX-A family, and multi-voltage I/O configurable from 2.25V to 5.25V, allowing direct interfacing with 5V legacy buses and 3.3V or 2.5V logic. The fabrication is a 0.22um/0.25um CMOS antifuse process.
The -1 speed grade suffix denotes the fastest bin of the 72K-gate SX72A device; the B suffix denotes the military B-grade screening over the full -55C to +125C temperature range, and the ceramic CQFP hermetic package supports high-reliability assembly flows. Typical applications include MIL-STD-1553 and ARINC bus glue logic, satellite and avionics payload control, secure single-chip integration of ASIC prototypes, and industrial control where instant-on configuration and configuration-readback security are required.
When designing with this device, plan pin assignments early: antifuse routing flexibility is lower than SRAM FPGAs, so aggressive pin locking can degrade routability and timing. Use the quadrant clock resources for high-fanout signals to preserve general routing.
This page synthesizes distributor availability data, drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet. Pricing shown is quote-based as of 2026-09-03.
Alternativas drop-in para A54SX72A-1CQ208B — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com A54SX72A-1CQ208B (mesmo formato e footprint) — diferindo em Package, Process Technology, System Gates, Family, Operating Temperature.
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A54SX72A-CQ208B
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Ver ficha técnica →A54SX72A-1CQ208M
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Ver ficha técnica →A54SX72A-CQ208M
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$135 / unidade
Ver ficha técnica →A54SX72A-2CQ208
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A54SX72A-1CQ208B Classificações máximas e características elétricas
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108000 gates |
| Logic Blocks (LABs/CLBs) | 6036 |
| User I/O | 171 |
| I/O Voltage Range | 2.25 V to 5.25 V |
| Speed Grade | -1 (fastest SX72A bin) |
| Maximum Toggle Rate (family) | up to 217 MHz |
| Global/Quadrant Clocks | CLKA, CLKB, QCLK quadrant clock networks |
| Process Technology | 0.22 um / 0.25 um CMOS antifuse |
| Program Type | One-Time Programmable (antifuse) |
| Temperatura de operação | -55C to +125C (military B grade) |
| Encapsulamento | 208-BFCQFP with tie bar (ceramic, 75x75 mm) |
| Tipo de montagem | Surface Mount |
| Package Hermeticity | Hermetic ceramic |
| Design Security | Configuration not readable (antifuse OTP) |
Guia de Configuração de Pinos do A54SX72A-1CQ208B hermetic ceramic
Configuração de pinos para A54SX72A-1CQ208B (pacote hermetic ceramic). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para A54SX72A-1CQ208B.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
A54SX72A-1CQ208B é adequado para 6 aplicaçãos: Avionics Bus Interface and Glue Logic, Satellite Payload Control Logic, Secure Single-Chip ASIC Prototyping, Military Ground Systems and Rugged Industrial Control, Test and Measurement Instrument Backplane Logic, Telecommunications Line-Card Control.
Avionics Bus Interface and Glue Logic
The A54SX72A-1CQ208B fits avionics glue logic because its 171 I/O pins accept 2.25V to 5.25V, interfacing directly with 5V-tolerant legacy avionics signals such as MIL-STD-1553 and ARINC companion logic without level shifters. The military B-grade -55C to +125C rating and hermetic 208-pin ceramic CQFP with tie bar match certified aircraft hardware flows. In the circuit it replaces dozens of discrete SSI/MSI devices, integrating address decode, bus buffering, and control-state machines in one 108K-gate antifuse chip. Because the fabric is one-time programmable and loads no configuration at power-up, it is operational the moment avionics power rails settle, and its configuration cannot be read back, an asset in security-conscious airframe programs. Source: Microchip SX-A datasheet.
Recomendado
Satellite Payload Control Logic
For satellite payload control, the antifuse fabric of the A54SX72A-1CQ208B provides configuration immunity: there is no SRAM configuration memory to upset, and the programmed netlist is physically permanent, which suits long-duration orbital missions. The hermetic ceramic CQFP-208 protects the die against outgassing and moisture ingress concerns in vacuum, and B-grade screening supports qualification test flows. The 6036 LABs implement telemetry formatting, telecommand decoders, and payload sequencers, while CLKA/CLKB and quadrant clock networks distribute timing across the chip with low skew. At 0.22um CMOS antifuse technology the static power is low, helpful for power-limited spacecraft. For programs needing rad-hard qualification, Microchip's RT54SX72S shares this architecture as the rad-tolerant derivative, though it is not pin-identical to this terrestrial part.
Recomendado
Secure Single-Chip ASIC Prototyping
The A54SX72A-1CQ208B serves ASIC prototyping and low-volume ASIC replacement because its 108,000 system gates and 6036 LABs absorb moderate RTL designs, while antifuse one-time programming means the final netlist is as immutable as a mask-programmed part. Unlike SRAM FPGAs, there is no bitstream to extract, so the design cannot be cloned by reading configuration - Microchip markets SX-A explicitly for design security. Prototype in the same ceramic CQFP-208 package used in production hardware, avoiding board respins between prototype and delivery. The 2.25V to 5.25V multi-voltage I/O eases integration with mixed-legacy test benches. Plan timing against the -1 speed grade models in Libero and reserve quadrant clocks for high-fanout control signals, since antifuse routing is less flexible than SRAM fabrics when pins are locked early.
Recomendado
Military Ground Systems and Rugged Industrial Control
Ground-based military equipment benefits from the A54SX72A-1CQ208B's -55C to +125C B-grade rating and hermetic package, which tolerate thermal cycling, humidity, and contaminated environments that defeat plastic-packaged FPGAs. The instant-on antifuse configuration eliminates boot sequence dependencies in weapon-system power-up logic, and the 108K-gate capacity integrates controller interfaces, interlock logic, and test controllers on one chip. Its 171 I/O connect directly to 5V TTL backplanes common in legacy military platforms. System integrators use the quadrant clock (QCLK) resources for synchronized sampling across data-acquisition cards. Compared with a plastic A54SX72A-1FG484I, the CQFP-208 trades I/O count and cost for environmental robustness and screening traceability, the correct choice when reliability documentation outweighs density.
Recomendado
Test and Measurement Instrument Backplane Logic
In test and measurement systems, the A54SX72A-1CQ208B implements backplane arbitration, trigger distribution, and instrument bus bridges. Family toggle rates up to 217 MHz and low-capacitance antifuse interconnect support deterministic timing across trigger trees, while CLKA/CLKB global and quadrant QCLK networks keep clock skew low between measurement channels. The multi-voltage I/O range (2.25V to 5.25V) lets one FPGA interface both modern 3.3V modules and 5V TTL instrumentation. One-time programming ensures the instrument's logic configuration is fixed and identical across a production run, simplifying calibration documentation. Because the device configures at power-up with zero load delay, instruments are ready the instant mains is applied - an advantage over SRAM FPGAs that spend tens of milliseconds loading bitstreams from external flash.
Recomendado
Telecommunications Line-Card Control
Telecom line cards and legacy transmission equipment use the A54SX72A-1CQ208B for framing logic, alarm aggregation, and backplane handshaking. The 2.25V to 5.25V I/O range matches both 5V TTL backplanes and 3.3V/2.5V line-card silicon, letting one 108K-gate device consolidate interface logic that previously spanned multiple PLDs. The -1 speed grade provides timing headroom for backplane clock domains at family rates up to 217 MHz, and quadrant clocks isolate per-card timing regions to reduce routing congestion. Instant-on antifuse configuration removes link-recovery delay caused by FPGA configuration load, improving carrier-grade availability targets. Where hermeticity is unnecessary, the plastic A54SX72A-1PQ208I or 2PQG208I packages lower cost while keeping the same SX72A die and Libero design flow, easing migration between product tiers.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para A54SX72A-1CQ208B — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | A54SX72A-CQ208B | A54SX72A-1CQ208M | A54SX72A-CQ208M | A54SX72A-2CQ208 |
|---|---|---|---|---|---|
| Package | 208-CQFP ceramic, 75x75 mm, tie bar (B grade) | 208-CQFP ceramic - same | 208-CQFP ceramic - same | 208-CQFP ceramic - same | 208-CQFP ceramic - same |
| Brand | Microchip Technology (Actel/Microsemi legacy) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 |
| User I/O | 171 | 171 | 171 | 171 | 171 |
| Speed Grade | -1 (fastest SX72A bin) | Standard | -1 (same) | Standard | -2 (slower) |
| Screening / Temperature | B grade, -55C to +125C | B grade, -55C to +125C | M grade, -55C to +125C | M grade, -55C to +125C | Standard screening |
| I/O Voltage Range | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V |
| Drop-in Replacement (no PCB change) | Reference device | Yes - per FindIC cross-reference | Yes - identical pinout/screening superset | Yes - identical pinout | Yes - verify timing margin |
Principais diferenciais
- Fastest speed bin of the 72K-gate SX-A die in hermetic CQFP (vs A54SX72A-CQ208B)
- Configuration-readback security with instant-on startup (vs SRAM FPGAs (e.g. Xilinx/Intel))
- Upgradeable to deeper military screening without redesign (vs A54SX72A-1CQ208M)
- 5V-tolerant multi-voltage I/O (vs A54SX72A-1FG484I)
Notas de projeto
Antifuse devices are one-time programmable: a logic bug after programming means scrapping the device and the assembly cost of the ceramic CQFP. Complete gate-level simulation and static timing closure in Libero with the -1 speed grade models before committing production units. Prototype on the standard speed grade (A54SX72A-CQ208B) where possible and reserve -1 parts for timing-critical builds; this is a common cost-reduction pattern on military programs.
Use the CLKA, CLKB, and quadrant clock (QCLK) resources for high-fanout clock and control signals rather than general routing, as recommended in Microchip's 'Using A54SX72A and RT54SX72S Quadrant Clocks' application note. Lock I/O assignments early but leave routing slack: antifuse segmentation is less flexible than SRAM fabrics, and over-constraining pins can cause unroutable fits. Place 0.1uF ceramic decoupling capacitors at the CQFP power pins, one per supply pair.
Estimated: at 0.22um CMOS antifuse technology, static power is dominated by I/O pull-ups on the 2.25V-5.25V banks; unused outputs should be configured as inputs with defined levels to minimize dissipation. Compute worst-case ICC from the SX-A datasheet ICC tables at -55C and +125C corners for your design's toggle activity before setting the power budget - do not rely on typical activity assumptions for qualification reports.
Informações de conformidade
Military ceramic CQFP package; lead finish and RoHS/REACH status not stated in provided data. Verify with Microchip product compliance documentation - hermetic mil-grade packages often have exemptions.
